Table 1. Design matrix of central composite design

Date syrup (%, w/w) Inulin (%, w/w) Carrageenan (%, w/w) Sample
10.00 0.5 0.04 1
4.00 0.5 0.04 2
4.00 0.5 0.00 3
7.00 0.25 0.02 4
10.00 0.00 0.04 5
7.00 0.25 0.04 6
7.00 0.5 0.02 7
4.00 0.00 0.04 8
7.00 0.25 0.00 9
10.00 0.00 0.00 10
7.00 0.25 0.02 11
7.00 0.00 0.02 12
7.00 0.25 0.02 13
10.00 0.25 0.02 14
7.00 0.25 0.02 15
10.00 0.5 0.00 16
4.00 0.25 0.02 17
7.00 0.25 0.02 18
7.00 0.25 0.02 19
4.00 0.00 0.00 20